How to Clean Your Coffee Grinder with URNEX Grindz

Quick Answer

To clean your coffee grinder with URNEX Grindz, run the tablets through the grinder as if they were coffee beans, then wipe away residue and grind a small amount of fresh coffee to purge any leftover particles. This simple process removes coffee oils and buildup that can make your coffee taste stale or bitter. Do it every few weeks or when you notice a change in flavor.

If your morning cup has started to taste a little off, the culprit might be hiding inside your coffee grinder. Over time, coffee oils and fine particles cling to burrs and chutes, going rancid and tainting every batch you grind. Cleaning your grinder regularly is one of the easiest ways to keep your coffee fresh and your equipment running smoothly.

URNEX Grindz are cleaning tablets designed specifically for coffee grinders. They are made from a food-safe, gluten-free grain-based formula that absorbs oils and cleans without leaving any chemical residue. In this guide, we'll walk you through the steps to clean your burr grinder using URNEX Grindz, point out common mistakes, and share tips for keeping your grinder in top shape.

Why Clean Your Coffee Grinder?

Coffee beans contain natural oils that are released during grinding. These oils can accumulate on the burrs and inside the grinder, becoming rancid over time. This residue not only affects the flavor of your coffee, making it taste bitter or stale, but it can also slow down the grinding process and put extra strain on the motor.

Regular cleaning with URNEX Grindz helps remove these oils and old coffee particles, ensuring that each grind is fresh and consistent. It's a quick task that can be done in minutes, and it's much cheaper than replacing your grinder prematurely. Most experts recommend cleaning your grinder every few weeks, depending on how often you use it.

• Clean your grinder every 2–4 weeks for regular home use, or more often if you grind daily.
• If you notice a change in coffee flavor or a slower grind, it's time to clean.

What You'll Need

Before you start, gather your supplies: a package of URNEX Grindz tablets, a small brush or dry cloth, and a container to catch the ground tablets. You'll also want some fresh coffee beans to purge the grinder after cleaning.

URNEX Grindz tablets are safe for both flat and conical burr grinders. They are designed to break down coffee oils and residue without leaving any flavor or residue behind. Avoid using water or liquid cleaners, as these can damage the grinder's motor and electrical components.

• URNEX Grindz tablets
• Small brush or dry cloth
• Container to catch grounds
• Fresh coffee beans for purging

Step-by-Step Cleaning Process

The cleaning process is straightforward. Start by removing any coffee beans from the hopper and emptying the grounds container. Then, turn on the grinder and run the URNEX Grindz tablets through it, just as you would with coffee beans. This will grind the tablets and clean the burrs and internal surfaces.

After the tablets have been ground, turn off the grinder and let it sit for a few minutes. Then, wipe down the burrs and any accessible parts with a dry cloth or brush. Finally, grind a small amount of fresh coffee beans to purge any remaining tablet residue, and your grinder is ready for use.

• Always unplug the grinder before cleaning any internal parts manually.
• Use a dry cloth or brush—never water or liquid cleaners.

Step-by-Step Cleaning Routine

1. Empty the grinder: Remove all coffee beans from the hopper and empty the grounds container. This ensures the cleaning tablets work directly on the burrs and internal surfaces without mixing with old coffee. Checkpoint: Make sure no beans remain in the hopper or chute.
2. Run URNEX Grindz tablets: Place the recommended amount of tablets (usually about two tablespoons' worth) into the hopper and grind them as you would coffee. Collect the ground tablets in the grounds container. Common mistake: Don't overload the grinder with too many tablets at once—follow the package instructions.
3. Let it sit: Turn off the grinder and let it sit for a few minutes. This allows the tablets to absorb and loosen the coffee oils and residue. Checkpoint: A short wait makes the cleaning more effective.
4. Wipe down burrs and interior: Using a dry cloth or brush, gently wipe the burrs, hopper, and any accessible surfaces to remove loosened residue. Be careful not to damage the burrs. Common mistake: Never use water or liquid cleaners—they can damage the grinder.
5. Purge with fresh coffee: Grind a small amount of fresh coffee beans (about 10–15 grams) to clear out any remaining tablet residue. Discard these grounds. Checkpoint: Your grinder is now clean and ready for your next brew.

Related Products from Onyx Coffee Lab

• Barista's Choice: Barista's Choice is a coffee offering from Onyx Coffee Lab, available in a 10oz size. It is part of the ONYXCAFES selection, crafted for those who appreciate a quality cup. After cleaning your grinder, using a fresh, quality coffee like Barista's Choice ensures you taste the true flavor of the beans without any old residue interfering.
• IO-E-22: IO-E-22 is a single-origin coffee from Rwanda, roasted by Onyx Coffee Lab for a traditional espresso profile. This 8.8oz bag offers a full-caffeine, classic cup that suits espresso enthusiasts. If you use an espresso-focused grinder, cleaning with URNEX Grindz and then grinding a traditional espresso roast like IO-E-22 helps maintain the authentic flavors that espresso lovers expect.

Cleaning your coffee grinder with URNEX Grindz is a simple, effective way to maintain the quality of your coffee and extend the life of your equipment. By following these steps regularly, you'll enjoy fresher, more flavorful cups every time. Remember to pair your clean grinder with fresh, quality beans from Onyx Coffee Lab for the best experience.